{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "In apolar solvents this tetraurea calix [ 4 ] arene 5 forms regioselectively a single hydrogen - bonded homodimer , from which the bis [ 2 ] catenane 10a is formed in 49 % by a metathesis reaction followed by hydrogenation ."}
{"Anatomy": []}